MU

Masahiro Uchiumi

NC Nippon Piston Ring Co.: 1 patents #1 of 13Top 8%
Overall (2024): #349,717 of 561,600Top 65%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11873780 Combined oil ring Kenji Arai, Kazuhiro Sameshima, Makoto Kajiwara, Hajime Ando 2024-01-16